diff options
| -rw-r--r-- | src/target/target.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/target/target.c b/src/target/target.c index 40a2dc93..ab823894 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -2491,20 +2491,27 @@ int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, return retval; } +static void writeData(FILE *f, const void *data, size_t len) +{ + size_t written = fwrite(data, len, 1, f); + if (written != len) + LOG_ERROR("failed to write %u bytes: %s", len, strerror(errno)); +} + static void writeLong(FILE *f, int l) { int i; for (i=0; i<4; i++) { char c=(l>>(i*8))&0xff; - fwrite(&c, 1, 1, f); + writeData(f, &c, 1); } } static void writeString(FILE *f, char *s) { - fwrite(s, 1, strlen(s), f); + writeData(f, s, strlen(s)); } /* Dump a gmon.out histogram file. */ @@ -2514,13 +2521,14 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename) FILE *f=fopen(filename, "w"); if (f==NULL) return; - fwrite("gmon", 1, 4, f); + writeString(f, "gmon"); writeLong(f, 0x00000001); /* Version */ writeLong(f, 0); /* padding */ writeLong(f, 0); /* padding */ writeLong(f, 0); /* padding */ - fwrite("", 1, 1, f); /* GMON_TAG_TIME_HIST */ + u8 zero = 0; /* GMON_TAG_TIME_HIST */ + writeData(f, &zero, 1); /* figure out bucket size */ u32 min=samples[0]; @@ -2569,9 +2577,7 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename) writeLong(f, 64000000); /* 64MHz */ writeString(f, "seconds"); for (i=0; i<(15-strlen("seconds")); i++) - { - fwrite("", 1, 1, f); /* padding */ - } + writeData(f, &zero, 1); writeString(f, "s"); /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */ @@ -2591,7 +2597,7 @@ static void writeGmon(u32 *samples, u32 sampleNum, char *filename) data[i*2+1]=(val>>8)&0xff; } free(buckets); - fwrite(data, 1, length*2, f); + writeData(f, data, length * 2); free(data); } else { |