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Improve error handling for virtual paths

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This commit is contained in:
Maschell 2022-10-06 17:46:56 +02:00
parent 4ac4e0a9a6
commit 0968810796
1 changed files with 80 additions and 4 deletions
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84
src/virtualpath.c
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@ -74,11 +74,32 @@ void VirtualMountDevice(const char *path) {
void AddVirtualPath(const char *name, const char *alias, const char *prefix) { void AddVirtualPath(const char *name, const char *alias, const char *prefix) {
if (!VIRTUAL_PARTITIONS) { if (!VIRTUAL_PARTITIONS) {
VIRTUAL_PARTITIONS = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION)); VIRTUAL_PARTITIONS = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION));
if (!VIRTUAL_PARTITIONS) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocate VIRTUAL_PARTITIONS");
return;
}
} }
VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_PARTITIONS, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_PARTITIONS + 1)); VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_PARTITIONS, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_PARTITIONS + 1));
if (!tmp) { if (!tmp) {
free(VIRTUAL_PARTITIONS); DEBUG_FUNCTION_LINE_ERR("Failed to reallocate VIRTUAL_PARTITIONS");
if (VIRTUAL_PARTITIONS) {
for (int i = 0; i < MAX_VIRTUAL_PARTITIONS; i++) {
if (VIRTUAL_PARTITIONS[i].name) {
free(VIRTUAL_PARTITIONS[i].name);
VIRTUAL_PARTITIONS[i].name = NULL;
}
if (VIRTUAL_PARTITIONS[i].alias) {
free(VIRTUAL_PARTITIONS[i].alias);
VIRTUAL_PARTITIONS[i].alias = NULL;
}
if (VIRTUAL_PARTITIONS[i].prefix) {
free(VIRTUAL_PARTITIONS[i].prefix);
VIRTUAL_PARTITIONS[i].prefix = NULL;
}
}
free(VIRTUAL_PARTITIONS);
}
VIRTUAL_PARTITIONS = NULL; VIRTUAL_PARTITIONS = NULL;
MAX_VIRTUAL_PARTITIONS = 0; MAX_VIRTUAL_PARTITIONS = 0;
return; return;
@ -94,18 +115,36 @@ void AddVirtualPath(const char *name, const char *alias, const char *prefix) {
MAX_VIRTUAL_PARTITIONS++; MAX_VIRTUAL_PARTITIONS++;
} }
void AddVirtualFSPath(const char *name, const char *alias, const char *prefix) { void AddVirtualFSPath(const char *name, const char *alias, const char *prefix) {
if (!VIRTUAL_FS) { if (!VIRTUAL_FS) {
VIRTUAL_FS = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION)); VIRTUAL_FS = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION));
if (!VIRTUAL_FS) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocate VIRTUAL_FS");
return;
}
} }
VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_FS, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_FS + 1)); VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_FS, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_FS + 1));
if (!tmp) { if (!tmp) {
DEBUG_FUNCTION_LINE_ERR("Failed to reallocate VIRTUAL_FS");
if (VIRTUAL_FS) { if (VIRTUAL_FS) {
for (int i = 0; i < MAX_VIRTUAL_FS; i++) {
if (VIRTUAL_FS[i].name) {
free(VIRTUAL_FS[i].name);
VIRTUAL_FS[i].name = NULL;
}
if (VIRTUAL_FS[i].alias) {
free(VIRTUAL_FS[i].alias);
VIRTUAL_FS[i].alias = NULL;
}
if (VIRTUAL_FS[i].prefix) {
free(VIRTUAL_FS[i].prefix);
VIRTUAL_FS[i].prefix = NULL;
}
}
free(VIRTUAL_FS); free(VIRTUAL_FS);
VIRTUAL_FS = 0;
} }
VIRTUAL_FS = NULL;
MAX_VIRTUAL_FS = 0; MAX_VIRTUAL_FS = 0;
return; return;
} }
@ -123,11 +162,32 @@ void AddVirtualFSPath(const char *name, const char *alias, const char *prefix) {
void AddVirtualFSVOLPath(const char *name, const char *alias, const char *prefix) { void AddVirtualFSVOLPath(const char *name, const char *alias, const char *prefix) {
if (!VIRTUAL_FS_VOL) { if (!VIRTUAL_FS_VOL) {
VIRTUAL_FS_VOL = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION)); VIRTUAL_FS_VOL = (VIRTUAL_PARTITION *) malloc(sizeof(VIRTUAL_PARTITION));
if (!VIRTUAL_FS_VOL) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocate VIRTUAL_FS_VOL");
return;
}
} }
VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_FS_VOL, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_FS_VOL + 1)); VIRTUAL_PARTITION *tmp = realloc(VIRTUAL_FS_VOL, sizeof(VIRTUAL_PARTITION) * (MAX_VIRTUAL_FS_VOL + 1));
if (!tmp) { if (!tmp) {
free(VIRTUAL_FS_VOL); DEBUG_FUNCTION_LINE_ERR("Failed to reallocate VIRTUAL_FS_VOL");
if (VIRTUAL_FS_VOL) {
for (int i = 0; i < MAX_VIRTUAL_FS_VOL; i++) {
if (VIRTUAL_FS_VOL[i].name) {
free(VIRTUAL_FS_VOL[i].name);
VIRTUAL_FS_VOL[i].name = NULL;
}
if (VIRTUAL_FS_VOL[i].alias) {
free(VIRTUAL_FS_VOL[i].alias);
VIRTUAL_FS_VOL[i].alias = NULL;
}
if (VIRTUAL_FS_VOL[i].prefix) {
free(VIRTUAL_FS_VOL[i].prefix);
VIRTUAL_FS_VOL[i].prefix = NULL;
}
}
free(VIRTUAL_FS_VOL);
}
VIRTUAL_FS_VOL = NULL; VIRTUAL_FS_VOL = NULL;
MAX_VIRTUAL_FS_VOL = 0; MAX_VIRTUAL_FS_VOL = 0;
return; return;
@ -183,6 +243,14 @@ void UnmountVirtualPaths() {
free(VIRTUAL_FS_VOL[i].name); free(VIRTUAL_FS_VOL[i].name);
VIRTUAL_FS_VOL[i].name = NULL; VIRTUAL_FS_VOL[i].name = NULL;
} }
if (VIRTUAL_FS_VOL[i].alias) {
free(VIRTUAL_FS_VOL[i].alias);
VIRTUAL_FS_VOL[i].name = NULL;
}
if (VIRTUAL_FS_VOL[i].prefix) {
free(VIRTUAL_FS_VOL[i].prefix);
VIRTUAL_FS_VOL[i].prefix = NULL;
}
} }
for (i = 0; i < MAX_VIRTUAL_FS; i++) { for (i = 0; i < MAX_VIRTUAL_FS; i++) {
@ -190,6 +258,14 @@ void UnmountVirtualPaths() {
free(VIRTUAL_FS[i].name); free(VIRTUAL_FS[i].name);
VIRTUAL_FS[i].name = NULL; VIRTUAL_FS[i].name = NULL;
} }
if (VIRTUAL_FS[i].alias) {
free(VIRTUAL_FS[i].alias);
VIRTUAL_FS[i].name = NULL;
}
if (VIRTUAL_FS[i].prefix) {
free(VIRTUAL_FS[i].prefix);
VIRTUAL_FS[i].prefix = NULL;
}
} }
if (VIRTUAL_PARTITIONS) { if (VIRTUAL_PARTITIONS) {