format formats a log record as a pretty-printed string.

healthcheck performs a healthcheck on a running imgproxy instance

calls read() on the async reader via it's handle from the C side export imgproxyReaderRead

calls seek() on the async reader via it's handle from the C side export imgproxyReaderSeek

init initializes the default logger

init registers default magic bytes for common image formats

isValueByte checks if a byte is valid in an unquoted attribute value. See: https://www.w3.org/TR/REC-html40/intro/sgmltut.html#h-3.2.2

levelName returns the name of the log level.

export logGLib

parseDateTime parses a date-time string in RFC3339 format and returns a time.Time value.

parseDuration parses an integer as seconds and returns a time.Duration.

parseDurationMillis parses an integer as milliseconds and returns a time.Duration.

parseExistingFilePath checks if the provided path points to an existing file and returns the path if valid.

parseFloat parses the environment variable value as a 64-bit float.

parseHexSlice parses a comma-separated list of hex-encoded strings and returns a slice of byte slices.

parseImageTypes parses a comma-separated list of image format names and returns a slice of imagetype.Type values.

parseImageTypesQuality parses format=quality pairs (e.g., "jpg=80,webp=90") and returns a map of image types to their quality values (1-100).

parseMegaInt parses a float value and multiplies it by 1,000,000 to convert to an integer. This is useful for environment variables that accept values

parseString returns the environment variable value as-is.

parseStringMap parses semicolon-separated key=value pairs and returns a map. Empty entries are skipped.

parseStringSlice parses a comma-separated list of strings, trimming whitespace from each element.

parseStringSliceFile returns a parser that reads a string slice from a file. It reads the file path from CLI args (--{cliArgName}) or falls back to th

parseURLPath normalizes a URL path by removing query strings and fragments, ensuring it has a leading slash and no trailing slash.

parseURLPatterns parses a comma-separated list of wildcard patterns and converts them to compiled regular expressions using RegexpFromPattern.

parseURLReplacements parses URL replacements from the environment variable

run starts the imgproxy server

sanitizeElement sanitizes a single SVG element. It returns true if the element should be kept, false if it should be removed.

vectorGuardScale checks if the image is a vector format and downscales it to the maximum allowed resolution if necessary

ver prints the imgproxy version and runs the main application