NeoMutt  2024-04-25-76-g20fe7b
Teaching an old dog new tricks
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tmp.c
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1
29#include "config.h"
30#include <errno.h>
31#include <inttypes.h>
32#include <limits.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <unistd.h>
37#include "mutt/lib.h"
38#include "config/lib.h"
39#include "globals.h"
40#include "neomutt.h"
41
50void buf_mktemp_full(struct Buffer *buf, const char *prefix, const char *suffix,
51 const char *src, int line)
52{
53 const char *const c_tmp_dir = cs_subset_path(NeoMutt->sub, "tmp_dir");
54 buf_printf(buf, "%s/%s-%s-%d-%d-%" PRIu64 "%s%s", NONULL(c_tmp_dir),
55 NONULL(prefix), NONULL(ShortHostname), (int) getuid(),
56 (int) getpid(), mutt_rand64(), suffix ? "." : "", NONULL(suffix));
57
58 mutt_debug(LL_DEBUG3, "%s:%d: buf_mktemp returns \"%s\"\n", src, line, buf_string(buf));
59 if (unlink(buf_string(buf)) && (errno != ENOENT))
60 {
61 mutt_debug(LL_DEBUG1, "%s:%d: ERROR: unlink(\"%s\"): %s (errno %d)\n", src,
62 line, buf_string(buf), strerror(errno), errno);
63 }
64}
65
76FILE *mutt_file_mkstemp_full(const char *file, int line, const char *func)
77{
78 char name[PATH_MAX] = { 0 };
79
80 const char *const c_tmp_dir = cs_subset_path(NeoMutt->sub, "tmp_dir");
81 int n = snprintf(name, sizeof(name), "%s/neomutt-XXXXXX", NONULL(c_tmp_dir));
82 if (n < 0)
83 return NULL;
84
85 int fd = mkstemp(name);
86 if (fd == -1)
87 return NULL;
88
89 FILE *fp = fdopen(fd, "w+");
90
91 if ((unlink(name) != 0) && (errno != ENOENT))
92 {
94 return NULL;
95 }
96
97 MuttLogger(0, file, line, func, 1, "created temp file '%s'\n", name);
98 return fp;
99}
int buf_printf(struct Buffer *buf, const char *fmt,...)
Format a string overwriting a Buffer.
Definition: buffer.c:161
static const char * buf_string(const struct Buffer *buf)
Convert a buffer to a const char * "string".
Definition: buffer.h:96
const char * cs_subset_path(const struct ConfigSubset *sub, const char *name)
Get a path config item by name.
Definition: helpers.c:168
Convenience wrapper for the config headers.
#define mutt_file_fclose(FP)
Definition: file.h:149
char * ShortHostname
Short version of the hostname.
Definition: globals.c:39
#define mutt_debug(LEVEL,...)
Definition: logging2.h:89
int(*) log_dispatcher_ MuttLogger)
@ LL_DEBUG3
Log at debug level 3.
Definition: logging2.h:45
@ LL_DEBUG1
Log at debug level 1.
Definition: logging2.h:43
Convenience wrapper for the library headers.
#define PATH_MAX
Definition: mutt.h:42
Container for Accounts, Notifications.
uint64_t mutt_rand64(void)
Create a 64-bit random number.
Definition: random.c:123
#define NONULL(x)
Definition: string2.h:37
String manipulation buffer.
Definition: buffer.h:36
Container for Accounts, Notifications.
Definition: neomutt.h:42
struct ConfigSubset * sub
Inherited config items.
Definition: neomutt.h:46
FILE * mutt_file_mkstemp_full(const char *file, int line, const char *func)
Create temporary file safely.
Definition: tmp.c:76
void buf_mktemp_full(struct Buffer *buf, const char *prefix, const char *suffix, const char *src, int line)
Create a temporary file.
Definition: tmp.c:50