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replace lame soy 8-space indentation with based chad 4-space indentation

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ari melody 2025-08-04 20:56:02 +01:00
parent edb21f67a2
commit af2492a8ce
Signed by: ari
GPG key ID: CF99829C92678188
1 changed files with 147 additions and 147 deletions
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294
main.c
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@ -25,187 +25,187 @@ void save_heap(unsigned long long int* heap, unsigned long long int size, char*
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
unsigned char flags = 0; unsigned char flags = 0;
unsigned long long int size = 0; unsigned long long int size = 0;
char* filename = NULL; char* filename = NULL;
unsigned char denominator = 0; unsigned char denominator = 0;
int arg; int arg;
while ((arg = getopt(argc, argv, "hb:o:sw")) != -1) { while ((arg = getopt(argc, argv, "hb:o:sw")) != -1) {
switch (arg) { switch (arg) {
case 'h': case 'h':
print_help();
exit(0);
case 'b':
size = strtoull(optarg, NULL, 10);
if (errno == EINVAL) {
fprintf(stderr, "argument -b used with invalid value '%s'!\n", optarg);
exit(0);
}
if (errno == ERANGE) {
fprintf(stderr, "byte argument ''%s' out of range!\n", optarg);
exit(0);
}
denominator = optarg[strlen(optarg) - 1];
flags |= BYTES_GIVEN;
break;
case 'o':
filename = optarg;
flags |= OUTPUT_FILE;
break;
case 's':
if (size == 0 || filename == NULL) {
fprintf(stderr, "cannot run silently without -b and -o set!\n");
print_help();
}
flags |= SILENT;
break;
case 'w':
flags |= BYPASS_WARN;
break;
case '?':
if (optopt == 'b' || optopt == 'o')
fprintf(stderr, "argument -%c requires an argument!\n", optopt);
else if (isprint(optopt))
fprintf(stderr, "unknown argument '-%c'.\n", optopt);
else
fprintf(stderr, "unknown argument character '\\x%x'.\n", optopt);
exit(1);
default:
exit(1);
}
}
if (!(flags & BYTES_GIVEN)) {
fprintf(stderr, "argument -b is required!\n");
print_help(); print_help();
exit(0);
case 'b':
size = strtoull(optarg, NULL, 10);
if (errno == EINVAL) {
fprintf(stderr, "argument -b used with invalid value '%s'!\n", optarg);
exit(0);
}
if (errno == ERANGE) {
fprintf(stderr, "byte argument ''%s' out of range!\n", optarg);
exit(0);
}
denominator = optarg[strlen(optarg) - 1];
flags |= BYTES_GIVEN;
break;
case 'o':
filename = optarg;
flags |= OUTPUT_FILE;
break;
case 's':
if (size == 0 || filename == NULL) {
fprintf(stderr, "cannot run silently without -b and -o set!\n");
print_help();
}
flags |= SILENT;
break;
case 'w':
flags |= BYPASS_WARN;
break;
case '?':
if (optopt == 'b' || optopt == 'o')
fprintf(stderr, "argument -%c requires an argument!\n", optopt);
else if (isprint(optopt))
fprintf(stderr, "unknown argument '-%c'.\n", optopt);
else
fprintf(stderr, "unknown argument character '\\x%x'.\n", optopt);
exit(1);
default:
exit(1); exit(1);
} }
}
adjust_by_denomination(&size, denominator); if (!(flags & BYTES_GIVEN)) {
fprintf(stderr, "argument -b is required!\n");
print_help();
exit(1);
}
// even if the user doesn't specify a denomination, it still would be nice to display a truncated amount if available. adjust_by_denomination(&size, denominator);
char* shorthand = get_shorthand(size);
if (!(flags & SILENT) && !(flags & BYPASS_WARN)) {
if (shorthand) {
printf("you are about to allocate %s (%llu bytes) of heap memory. are you sure? (y/N)\n> ", shorthand, size);
} else {
printf("you are about to allocate %llu byte%c of heap memory. are you sure? (y/N)\n> ", size, size == 1 ? 0 : 's');
}
unsigned char input = getchar(); // even if the user doesn't specify a denomination, it still would be nice to display a truncated amount if available.
if (input != 'y') exit(0); char* shorthand = get_shorthand(size);
while (getchar() != '\n'); if (!(flags & SILENT) && !(flags & BYPASS_WARN)) {
if (shorthand) {
printf("you are about to allocate %s (%llu bytes) of heap memory. are you sure? (y/N)\n> ", shorthand, size);
} else {
printf("you are about to allocate %llu byte%c of heap memory. are you sure? (y/N)\n> ", size, size == 1 ? 0 : 's');
} }
void* heap = allocate_heap(size, flags & SILENT); unsigned char input = getchar();
if (filename != NULL) save_heap(heap, size, filename, flags & SILENT); if (input != 'y') exit(0);
while (getchar() != '\n');
}
if (!(flags & SILENT)) { void* heap = allocate_heap(size, flags & SILENT);
if (shorthand) { if (filename != NULL) save_heap(heap, size, filename, flags & SILENT);
printf("%s (%llu bytes) of heap memory has been allocated. you are insane.\n", shorthand, size);
} else {
printf("%llu byte%c of heap memory ha%s been allocated. you are insane.\n", size, size == 1 ? 0 : 's', size == 1 ? "s" : "ve");
}
free(shorthand);
printf("press ENTER to release this memory, or CTRL+C to exit the program.\n"); if (!(flags & SILENT)) {
getchar(); if (shorthand) {
free(heap); printf("%s (%llu bytes) of heap memory has been allocated. you are insane.\n", shorthand, size);
exit(0); } else {
printf("%llu byte%c of heap memory ha%s been allocated. you are insane.\n", size, size == 1 ? 0 : 's', size == 1 ? "s" : "ve");
} }
free(shorthand);
printf("press ENTER to release this memory, or CTRL+C to exit the program.\n");
getchar();
free(heap); free(heap);
return 0; exit(0);
}
free(heap);
return 0;
} }
void print_help() { void print_help() {
printf("usage: allocatememory -b <bytes> [-o <output file>] [-s]\n\n"); printf("usage: allocatememory -b <bytes> [-o <output file>] [-s]\n\n");
printf("OPTIONS\n"); printf("OPTIONS\n");
printf(" -h\tdisplays help\n"); printf(" -h\tdisplays help\n");
printf(" -b\tnumber of bytes to allocate (e.g. 1024, 1g, 64K)\n"); printf(" -b\tnumber of bytes to allocate (e.g. 1024, 1g, 64K)\n");
printf(" -o\tfile to output to\n"); printf(" -o\tfile to output to\n");
printf(" -s\trun silently (requires -b and -o)\n"); printf(" -s\trun silently (requires -b and -o)\n");
printf(" -w\tdisable warnings (\"i know what i'm doing!\")\n"); printf(" -w\tdisable warnings (\"i know what i'm doing!\")\n");
exit(0); exit(0);
} }
char* get_shorthand(unsigned long long int size) { char* get_shorthand(unsigned long long int size) {
if (size < KiB) return 0; if (size < KiB) return 0;
if (size > LOADS) { if (size > LOADS) {
return ">9999 TiB"; return ">9999 TiB";
} }
char* buffer = malloc(sizeof(char) * 12); char* buffer = malloc(sizeof(char) * 12);
if (size >= TiB) { if (size >= TiB) {
snprintf(buffer, 12, "%.2f TiB", (float) size / TiB); snprintf(buffer, 12, "%.2f TiB", (float) size / TiB);
return buffer; return buffer;
} }
if (size >= GiB) { if (size >= GiB) {
snprintf(buffer, 12, "%.2f GiB", (float) size / GiB); snprintf(buffer, 12, "%.2f GiB", (float) size / GiB);
return buffer; return buffer;
} }
if (size >= MiB) { if (size >= MiB) {
snprintf(buffer, 12, "%.2f MiB", (float) size / MiB); snprintf(buffer, 12, "%.2f MiB", (float) size / MiB);
return buffer; return buffer;
} }
if (size >= KiB) { if (size >= KiB) {
snprintf(buffer, 12, "%.2f KiB", (float) size / KiB); snprintf(buffer, 12, "%.2f KiB", (float) size / KiB);
return buffer; return buffer;
} }
return 0; return 0;
} }
void adjust_by_denomination(unsigned long long int* size, char denomination) { void adjust_by_denomination(unsigned long long int* size, char denomination) {
if (denomination >= 'a' && denomination <= 'z') denomination -= 32; if (denomination >= 'a' && denomination <= 'z') denomination -= 32;
switch (denomination) { switch (denomination) {
case 'K': case 'K':
*size *= KiB; *size *= KiB;
return; return;
case 'M': case 'M':
*size *= MiB; *size *= MiB;
return; return;
case 'G': case 'G':
*size *= GiB; *size *= GiB;
return; return;
case 'T': case 'T':
*size *= TiB; *size *= TiB;
return; return;
} }
} }
void* allocate_heap(unsigned long long int size, char silent) { void* allocate_heap(unsigned long long int size, char silent) {
if (!silent) { if (!silent) {
printf("please wait."); printf("please wait.");
fflush(stdout); fflush(stdout);
}
unsigned long long int* heap = (unsigned long long int*) malloc(size);
for (unsigned long long int i = 0; i < size / sizeof(long long int); i++) {
heap[i] = ((unsigned long long int)rand() << 32) + (unsigned long long int)rand();
if (!silent && i > 0 && i % (1024 * 1024 * 1024 / sizeof(long long int)) == 0) {
printf(".");
fflush(stdout);
} }
}
if (!silent) printf("\n");
unsigned long long int* heap = (unsigned long long int*) malloc(size); return heap;
for (unsigned long long int i = 0; i < size / sizeof(long long int); i++) {
heap[i] = ((unsigned long long int)rand() << 32) + (unsigned long long int)rand();
if (!silent && i > 0 && i % (1024 * 1024 * 1024 / sizeof(long long int)) == 0) {
printf(".");
fflush(stdout);
}
}
if (!silent) printf("\n");
return heap;
} }
void save_heap(unsigned long long int* heap, unsigned long long int size, char* filename, char silent) { void save_heap(unsigned long long int* heap, unsigned long long int size, char* filename, char silent) {
FILE* file = fopen(filename, "wb"); FILE* file = fopen(filename, "wb");
if (file == NULL) { if (file == NULL) {
printf("failed to open %s!", filename); printf("failed to open %s!", filename);
exit(1); exit(1);
} }
fwrite(heap, sizeof(char), size, file); fwrite(heap, sizeof(char), size, file);
fputs("\n", file); fputs("\n", file);
fclose(file); fclose(file);
} }