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#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <stdlib.h>
#include "log.h"
int copyFileFd(int infd, char * dest) {
int outfd;
char buf[4096];
int i;
int rc = 0;
outfd = open(dest, O_CREAT | O_RDWR, 0666);
if (outfd < 0) {
logMessage("failed to open %s: %s", dest, strerror(errno));
return 1;
}
while ((i = read(infd, buf, sizeof(buf))) > 0) {
if (write(outfd, buf, i) != i) {
rc = 1;
break;
}
}
close(outfd);
return rc;
}
int copyFile(char * source, char * dest) {
int infd = -1;
int rc;
infd = open(source, O_RDONLY);
if (infd < 0) {
logMessage("failed to open %s: %s", source, strerror(errno));
return 1;
}
rc = copyFileFd(infd, dest);
close(infd);
return rc;
}
char * readLine(FILE * f) {
char buf[1024];
fgets(buf, sizeof(buf), f);
/* chop */
buf[strlen(buf) - 1] = '\0';
return strdup(buf);
}
int simpleStringCmp(const void * a, const void * b) {
const char * first = *((const char **) a);
const char * second = *((const char **) b);
return strcmp(first, second);
}
char * sdupprintf(const char *format, ...) {
char *buf = NULL;
char c;
va_list ap1, ap2;
size_t size = 0;
va_start(ap1, format);
va_copy(ap2, ap1);
/* XXX requires C99 vsnprintf behavior */
size = vsnprintf(&c, 1, format, ap1) + 1;
if (size == -1) {
printf("ERROR: vsnprintf behavior is not C99\n");
abort();
}
va_end(ap1);
buf = malloc(size);
if (buf == NULL)
return NULL;
vsnprintf(buf, size, format, ap2);
va_end (ap2);
return buf;
}
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