osmo-sdr/utils/rum-ba/src/utils.c @ master
| 1 | a59a9825 | Christian Daniel | #include <stdio.h>
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| 2 | #include <errno.h>
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| 3 | #include <string.h>
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| 4 | #include <time.h>
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| 5 | #include <sys/stat.h>
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| 6 | #include "utils.h"
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| 7 | |||
| 8 | 4cd82c23 | Christian Daniel | #ifdef WINDOWS
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| 9 | |||
| 10 | #include <windows.h>
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| 11 | |||
| 12 | uint64_t getTickCount() |
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| 13 | {
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| 14 | return GetTickCount(); |
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| 15 | }
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| 16 | |||
| 17 | #else // WINDOWS
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| 18 | |||
| 19 | a59a9825 | Christian Daniel | uint64_t getTickCount() |
| 20 | {
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| 21 | 4cd82c23 | Christian Daniel | struct timespec t; |
| 22 | a59a9825 | Christian Daniel | |
| 23 | 4cd82c23 | Christian Daniel | if(clock_gettime(CLOCK_MONOTONIC, &t) != 0) |
| 24 | return 0; |
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| 25 | return (((uint64_t)t.tv_sec) * 1000) + (((uint64_t)t.tv_nsec) / 1000000); |
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| 26 | a59a9825 | Christian Daniel | }
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| 27 | |||
| 28 | 4cd82c23 | Christian Daniel | #endif
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| 29 | |||
| 30 | a59a9825 | Christian Daniel | void* loadFile(const char* filename, size_t* size) |
| 31 | {
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| 32 | void* result = NULL; |
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| 33 | struct stat statbuf; |
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| 34 | FILE* f = NULL; |
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| 35 | |||
| 36 | if(stat(filename, &statbuf) < 0) { |
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| 37 | fprintf(stderr, "could not stat() file %s: %s\n", filename, strerror(errno)); |
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| 38 | goto failed; |
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| 39 | }
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| 40 | |||
| 41 | if((result = calloc(1, statbuf.st_size)) == NULL) { |
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| 42 | 4cd82c23 | Christian Daniel | #ifdef WINDOWS
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| 43 | fprintf(stderr, "failed to allocate %u bytes of memory\n", (size_t)statbuf.st_size); |
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| 44 | #else
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| 45 | a59a9825 | Christian Daniel | fprintf(stderr, "failed to allocate %zu bytes of memory\n", (size_t)statbuf.st_size); |
| 46 | 4cd82c23 | Christian Daniel | #endif
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| 47 | a59a9825 | Christian Daniel | goto failed; |
| 48 | }
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| 49 | if((f = fopen(filename, "rb")) == NULL) { |
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| 50 | fprintf(stderr, "failed to open %s: %s\n", filename, strerror(errno)); |
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| 51 | goto failed; |
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| 52 | }
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| 53 | if(fread(result, 1, statbuf.st_size, f) != statbuf.st_size) { |
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| 54 | fprintf(stderr, "could not read all bytes: %s\n", strerror(errno)); |
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| 55 | goto failed; |
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| 56 | }
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| 57 | |||
| 58 | fclose(f); |
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| 59 | *size = (size_t)statbuf.st_size; |
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| 60 | return result; |
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| 61 | |||
| 62 | failed:
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| 63 | if(f != NULL) |
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| 64 | fclose(f); |
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| 65 | return NULL; |
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| 66 | }
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